jQuery.prototype.serializeObject=function(){  
    var obj= {};  
    $.each(this.serializeArray(),function(index,param){  
          obj[param.name]=param.value;  
    });  
    return obj;  
}; 

var entityMap = {
	    "&": "&amp;",
	    "<": "&lt;",
	    ">": "&gt;",
	    '"': '&quot;',
	    "'": '&#39;',
	    "/": '&#x2F;'
	  };

	  function escapeHtml(string) {
	    return String(string).replace(/[&<>"'\/]/g, function (s) {
	      return entityMap[s];
	    });
	  }

$(".integer").on('keydown', function(e){-1!==$.inArray(e.keyCode,[46,8,9,27,13,110])||/65|67|86|88/.test(e.keyCode)&&(!0===e.ctrlKey||!0===e.metaKey)||35<=e.keyCode&&40>=e.keyCode||(e.shiftKey||48>e.keyCode||57<e.keyCode)&&(96>e.keyCode||105<e.keyCode)&&e.preventDefault()});

var token = $("meta[name='_csrf']").attr("content");
var header = $("meta[name='_csrf_header']").attr("content");
if (token != null && header != null && token != "" && header != "") {
	$(document).ajaxSend(function(e, xhr, options) {
		xhr.setRequestHeader(header, token);
	});
}

function success(msg) {
	$(".tip")
			.html('<div class="alert alert-success">' + msg + '</div>');
}

function error(msg) {
	$(".tip").html('<div class="alert alert-danger">' + msg + '</div>');
}

function clearTip() {
	$(".tip").html('');
}

/*
 * Date Format 1.2.3
 * (c) 2007-2009 Steven Levithan <stevenlevithan.com>
 * MIT license
 *
 * Includes enhancements by Scott Trenda <scott.trenda.net>
 * and Kris Kowal <cixar.com/~kris.kowal/>
 *
 * Accepts a date, a mask, or a date and a mask.
 * Returns a formatted version of the given date.
 * The date defaults to the current date/time.
 * The mask defaults to dateFormat.masks.default.
 */

var dateFormat = function () {
	var	token = /d{1,4}|m{1,4}|yy(?:yy)?|([HhMsTt])\1?|[LloSZ]|"[^"]*"|'[^']*'/g,
		timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g,
		timezoneClip = /[^-+\dA-Z]/g,
		pad = function (val, len) {
			val = String(val);
			len = len || 2;
			while (val.length < len) val = "0" + val;
			return val;
		};

	// Regexes and supporting functions are cached through closure
	return function (date, mask, utc) {
		var dF = dateFormat;

		// You can't provide utc if you skip other args (use the "UTC:" mask prefix)
		if (arguments.length == 1 && Object.prototype.toString.call(date) == "[object String]" && !/\d/.test(date)) {
			mask = date;
			date = undefined;
		}

		// Passing date through Date applies Date.parse, if necessary
		date = date ? new Date(date) : new Date;
		if (isNaN(date)) throw SyntaxError("invalid date");

		mask = String(dF.masks[mask] || mask || dF.masks["default"]);

		// Allow setting the utc argument via the mask
		if (mask.slice(0, 4) == "UTC:") {
			mask = mask.slice(4);
			utc = true;
		}

		var	_ = utc ? "getUTC" : "get",
			d = date[_ + "Date"](),
			D = date[_ + "Day"](),
			m = date[_ + "Month"](),
			y = date[_ + "FullYear"](),
			H = date[_ + "Hours"](),
			M = date[_ + "Minutes"](),
			s = date[_ + "Seconds"](),
			L = date[_ + "Milliseconds"](),
			o = utc ? 0 : date.getTimezoneOffset(),
			flags = {
				d:    d,
				dd:   pad(d),
				ddd:  dF.i18n.dayNames[D],
				dddd: dF.i18n.dayNames[D + 7],
				m:    m + 1,
				mm:   pad(m + 1),
				mmm:  dF.i18n.monthNames[m],
				mmmm: dF.i18n.monthNames[m + 12],
				yy:   String(y).slice(2),
				yyyy: y,
				h:    H % 12 || 12,
				hh:   pad(H % 12 || 12),
				H:    H,
				HH:   pad(H),
				M:    M,
				MM:   pad(M),
				s:    s,
				ss:   pad(s),
				l:    pad(L, 3),
				L:    pad(L > 99 ? Math.round(L / 10) : L),
				t:    H < 12 ? "a"  : "p",
				tt:   H < 12 ? "am" : "pm",
				T:    H < 12 ? "A"  : "P",
				TT:   H < 12 ? "AM" : "PM",
				Z:    utc ? "UTC" : (String(date).match(timezone) || [""]).pop().replace(timezoneClip, ""),
				o:    (o > 0 ? "-" : "+") + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
				S:    ["th", "st", "nd", "rd"][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10) * d % 10]
			};

		return mask.replace(token, function ($0) {
			return $0 in flags ? flags[$0] : $0.slice(1, $0.length - 1);
		});
	};
}();

// Some common format strings
dateFormat.masks = {
	"default":      "ddd mmm dd yyyy HH:MM:ss",
	shortDate:      "m/d/yy",
	mediumDate:     "mmm d, yyyy",
	longDate:       "mmmm d, yyyy",
	fullDate:       "dddd, mmmm d, yyyy",
	shortTime:      "h:MM TT",
	mediumTime:     "h:MM:ss TT",
	longTime:       "h:MM:ss TT Z",
	isoDate:        "yyyy-mm-dd",
	isoTime:        "HH:MM:ss",
	isoDateTime:    "yyyy-mm-dd'T'HH:MM:ss",
	isoUtcDateTime: "UTC:yyyy-mm-dd'T'HH:MM:ss'Z'"
};

// Internationalization strings
dateFormat.i18n = {
	dayNames: [
		"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat",
		"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
	],
	monthNames: [
		"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
		"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"
	]
};

// For convenience...
Date.prototype.format = function (mask, utc) {
	return dateFormat(this, mask, utc);
};

var supportLocalStorage;
try{
	localStorage.setItem("1","1");
	localStorage.removeItem("1");
	supportLocalStorage=true;
}catch (e) {
	supportLocalStorage = false;
}

function storeInLocal(key,value){
	if(supportLocalStorage){
		localStorage.setItem(key,value);
	}
}

function getFromLocal(key){
	if(supportLocalStorage){
		return localStorage.getItem(key);
	}
	return null;
}

function removeLocal(key){
	if(supportLocalStorage){
		localStorage.removeItem(key);
	}
}

function renderTimeDiff(container){
	container.find('[data-timestamp]').each(function(){
		var ts = $(this).attr('data-timestamp');
		$(this).html(getFriendlyTime(ts));
	});
}

function getFriendlyTime(ts){
	 var getWidthString = function(num){
         return num < 10 ? ("0" + num) : num;
     };
	 var oldTime = new Date();
	 oldTime.setTime(ts);
	 var currentTime = new Date();
     var delta = currentTime.getTime() - oldTime.getTime();
     if(delta < 0){ 
    	 return [getWidthString(oldTime.getFullYear()), getWidthString(oldTime.getMonth() + 1), getWidthString(oldTime.getDate())].join("-")+" "+getWidthString(oldTime.getHours())+":"+getWidthString(oldTime.getMinutes());
     }
     if(delta <= 6000){
         return "1分钟内";
     }
     else if(delta < 60 * 60 * 1000){
         return Math.floor(delta / (60 * 1000)) + "分钟前";
     }
     else if(delta < 24 * 60 * 60 * 1000){
         return Math.floor(delta / (60 * 60 * 1000)) + "小时前";
     }
     else if(delta < 3 * 24 * 60 * 60 * 1000){
         return Math.floor(delta / (24 * 60 * 60 * 1000)) + "天前";
     }
     else if(currentTime.getFullYear() != oldTime.getFullYear()){
         return [getWidthString(oldTime.getFullYear()), getWidthString(oldTime.getMonth() + 1), getWidthString(oldTime.getDate())].join("-")+" "+getWidthString(oldTime.getHours())+":"+getWidthString(oldTime.getMinutes());
     }
     else{
         return [getWidthString(oldTime.getMonth() + 1), getWidthString(oldTime.getDate())].join("-");
     }
}

$(function(){
	renderTimeDiff($("body"));
});